1098967654 has 8 divisors (see below), whose sum is σ = 1648617840. Its totient is φ = 549428376.

The previous prime is 1098967651. The next prime is 1098967687. The reversal of 1098967654 is 4567698901.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 1098967595 and 1098967604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1098967651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4572 + ... + 47104.

It is an arithmetic number, because the mean of its divisors is an integer number (206077230).

Almost surely, 2^1098967654 is an apocalyptic number.

1098967654 is a deficient number, since it is larger than the sum of its proper divisors (549650186).

1098967654 is a wasteful number, since it uses less digits than its factorization.

1098967654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55454.

The product of its (nonzero) digits is 3265920, while the sum is 55.

The square root of 1098967654 is about 33150.6810488110. The cubic root of 1098967654 is about 1031.9570840025.

The spelling of 1098967654 in words is "one billion, ninety-eight million, nine hundred sixty-seven thousand, six hundred fifty-four".